Now that it has sat a while, it receives.
Knobs and buttons also work.
However, I cannot directly change bands for the main receiver by pushing a band
button. Regardless of which receiver is selected, the band button only changes
sub receiver band.
Which chip is the firmware ROM? I replaced U500 simply because it was easy
(plug in) and no change in operation.
Gary
> On Aug 1, 2016, at 9:24 AM, Howard Smith <jhsmith1024@gmail.com> wrote:
>
> The Firmware Verison is actually important to this discussion. There have
> been many firmware versions over the lifetime of the Orion. Version 1.x and
> 2.x have major differences. Version 3.x merged the firmware from the Orion
> and the Orion 2 into a common set of code. However, the Orion and Orion 2
> still have their individual firmware files, and hence the slight differences
> in the firmware versions.
>
> The Orion Programmer's reference manual was not always kept current with the
> firmware versions, so its information may not be valid for the version under
> consideration.
>
> What is the firmware version installed in the Orion in this discussion? The
> firmware version is displayed at startup, and also by Pressing and Holding
> the MENU key.
>
> In the discussion, it was stated that if the Orion was powered down and then
> immediately powered back up, it would still work. This is a big clue that
> suggests that the internal battery for the Battery Backed SRAM may have
> failed. There is enough bypass caps to support the Battery Backed SRAM for a
> short period of time even if the internal battery has failed.
>
> 73..
> Howard, WA9AXQ
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